14 CAR Part 20 — Rules Pertaining to Drip Dispersal Systems

Chapter IV

Subchapter A

Subpart 1

14 CAR § 20-101 Purpose {#sec-14-car-20-101 omnilex-key=us-ar-regs-official--title-14-part-20--14 CAR § 20-101}

14 CAR § 20-101. Purpose.

(a) A drip dispersal system is a technology for the distribution of treated wastewater uniformly over a large area beneath the soil surface.

(b) Drip dispersal fields are a "bed" design.

(c) The use of four-inch to six-inch installation cover does not fit the conventional trench design criteria utilized in the Onsite Wastewater Soil Morphology Program for system design.

14 CAR § 20-102 Definitions {#sec-14-car-20-102 omnilex-key=us-ar-regs-official--title-14-part-20--14 CAR § 20-102}

14 CAR § 20-102. Definitions.

As used in this part:

(1) “Aerobic” means:

(A) Having molecular oxygen as a part of the environment; or

(B) Growing or occurring only in the presence of molecular oxygen;

(2)(A) “Aerobic treatment unit” (ATU) means a mechanical onsite treatment unit that provides secondary wastewater treatment by mixing air and aerobic and facultative microbes with the wastewater.

(B) ATUs typically use a:

(i) Suspended-growth treatment process; or

(ii) Fixed treatment process;

(3) “Air/vacuum (A/V) relief valve” means a valve that automatically lets air out of or into liquid-carrying pipe as needed in response to changes in system pressure;

(4) “Backwash” means the process of flow reversal to:

(A) Clean a filter; and

(B) Restore it to the normal clean condition for filtering with a minimum resistance to flow through the media or screen;

(5)(A) “Control panel” means an electronic control panel that controls the quantity and time of dose.

(B) This can also control the zone receiving the effluent and automatically:

(i) Flushes the lines;

(ii) Flushes the filters; and

(iii) Monitors the flow rates and pump run cycles or times;

(6) “Decentralized system” means an onsite and/or cluster wastewater system used to treat and disperse or discharge small volumes of wastewater, generally from dwellings or businesses that are located relatively close together;

(7) “Disk filter” means a type of filter that utilizes a series of grooved rings that overlay each other to form a network of very small openings to trap contaminants;

(8) “Distributing valve” means a valve that distributes flow to multiple drainfield laterals, zones, or locations by automatically rotating upon each pump cycle;

(9)(A) “Drainback” means the process of effluent draining along the laterals and manifolds after the pump shuts off.

(B) Drainage occurs both inside and outside the drip tubing and manifolds to lower elevations in the drip field;

(10) “Dripline” means tubing constructed from polyethylene with emitters embedded regularly along the length of the tube;

(11) “Effluent” means sewage, water, or other liquids, partially or completely treated or in its natural state flowing out of:

(A) A septic tank;

(B) An aerobic treatment unit; or

(C) Another treatment system or systems;

(12) “Emitters” means small-diameter openings in a dripline that can:

(A) Dissipate pressure; and

(B) Allow a slow, controlled discharge normally rated in gallons per hour;

(13)(A) “Field flush” means water is passed through the drip lateral for the purpose of removing particles and other debris from the walls of the drip tubing.

(B) The flush water is carried back through the return manifold and return line to the pretreatment unit;

(14) “Filter” means a device for the main purpose of removing suspended solids and other debris from the wastewater;

(15) “Hydraulic conductivity” means the rate of water movement under unit gradient in a specific soil horizon;

(16) “Interceptor drain” means a subsurface drain line usually constructed upgrade from the absorption area to divert seasonal groundwater;

(17) “Lateral” means one single run or multiple runs of drip tubing connected at one end to a supply manifold and the other end connected to a return manifold;

(18) “Maintenance personnel” means an individual certified by the Department of Health to conduct assessments under the Onsite Maintenance and Monitoring Program;

(19) “Monitoring” means periodic inspection of system for performance;

(20) “Pressure-compensating (PC) emitters” means drip emitters that allow a constant flow or discharge over a wide range of applied pressure;

(21) “Pressure distribution” means a system of small-diameter pipes equally distributing effluent through a trench or bed;

(22) “Pressure regulator” means a device used to regulate and maintain a constant discharge pressure;

(23) “Pretreatment” means the conditioning of effluent prior to dispersal by a drip system;

(24) “Return line” means the return line connects the return manifold to the pretreatment unit for the purpose of carrying flush water from the drip field;

(25) “Return manifold” means a collection manifold or piping that returns excessive wastewater and debris to the primary treatment tank during system flushes;

(26) “Run” means one continuous length of tubing routed across contour connected to:

(A) A supply line;

(B) A return line; or

(C) Another run;

(27) “Soil structure” means the combination or arrangement of individual soil particles in definable aggregates, or “peds”, that are characterized and classified on the basis of:

(A) Size;

(B) Shape; and

(C) Degree of distinctness;

(28) “Solenoid valve” means an electric valve actuated by a solenoid, used for controlling the flow or liquid in pipes;

(29)(A) “Spin filter” means a filter that consists of a screen cylinder enclosed in a casing.

(B) The typical filter screen mesh size is one hundred fifty (150) and a micron rating of one hundred (100);

(30) “Static plow” means a dripline plow with a shank that remains at a given depth as the plow is pulled through the soil;

(31) “Supply line” means the line that extends from the pump to the supply manifold of a given zone;

(32) “Supply manifold” means the supply manifold connects the supply line to the drip laterals;

(33) “Vertical separation” means the depth of unsaturated, original, undisturbed soil between the:

(A) Bottom of the drip tubing; and

(B) Highest seasonal water table or restrictive layer;

(34) “Vibratory plow” means a dripline plow with a shank that vibrates vertically as the plow is pulled through the soil;

(35) “Water table” means the level in saturated soil at which the hydraulic pressure is zero; and

(36) “Zone” means a group of laterals that are dosed at the same time.

14 CAR § 20-103 Site assessment {#sec-14-car-20-103 omnilex-key=us-ar-regs-official--title-14-part-20--14 CAR § 20-103}

14 CAR § 20-103. Site assessment.

Subsurface drip system or systems may be utilized on sites that meet the following criteria:

(1)(A) The drip tubing or installed trench bottom shall be above the seasonal water table, whatever the duration.

(B) Brief seasonal water tables may be minimized or eliminated by the use of effective interceptor drains.

(C) Any design that incorporates the use of an interceptor drain shall indicate the effective depth of seasonal water table reduction;

(2)(A) Low hydraulic conductivity shall include soils with forty percent (40%) or greater clay.

(B) Clay percentage shall be determined from in-depth zone extending six inches (6”) above and twelve inches (12”) below installed drip tubing depth;

(3) No loading rates are available for low hydraulic conductivity soils with greater than sixty percent (60%) clay;

(4) Systems utilizing drip dispersal must maintain a minimum of nine inches (9”) separation between drip tubing and any rock substrata, consolidated or fractured, for soils that exhibit a moderate and/or long SWT;

(5) Systems utilizing drip dispersal must maintain a minimum of fifteen inches (15”) separation between drip tubing and any rock substrata, consolidated or fractured, for soils that:

(A) Exhibit only a brief SWT; or

(B) Do not exhibit an SWT;

(6) Soils that are structureless or with massive structure shall not be approved for onsite subsurface treatment; and

(7)(A) The lot size shall be of sufficient area to accommodate both the primary and secondary dispersal area.

(B) Both the primary and secondary dispersal area shall be sized according to the respective loading rates.

(C) If the lot can only support the primary dispersal field, a subsurface drip dispersal system shall not be installed.

History

• Codification Notes: "SWT" means seasonal water table. Authority: Arkansas Code § 14-236-107

14 CAR § 20-104 Drip tubing and emitters {#sec-14-car-20-104 omnilex-key=us-ar-regs-official--title-14-part-20--14 CAR § 20-104}

14 CAR § 20-104. Drip tubing and emitters.

(a)(1) Emitter spacing can range from six inches to twenty-four inches (6” – 24”).

(2) The emitters used in the tubing shall be pressure-compensating.

(3) Pressure-compensating emitters have a relatively constant discharge rate over a wide range of pressures.

(4) Emitter flow rate shall be:

(A) Specified by the designer; and

(B) Stated on the system plans.

(5) The dripline pressure can range from five pounds per square inch to seventy pounds per square inch (5 psi – 70 psi).

(b) Drip tubing shall be installed by one of the following methods:

(1) Static plow;

(2) Chain trencher; or

(3) Vibratory plow.

(c)(1) Static plow is the preferred method for inserting drip tubing into the soil.

(2) The static plow shall be pulled, not pushed, through the soil.

(d)(1) Chain trencher may be used for placement of the drip tubing in the soil.

(2) The maximum chain trench width is four inches (4”).

(e) Wet soil shall not be plowed because of smearing.

(f) Drip tubing installed in natural soil shall be installed to a depth of six inches (6”).

(g)(1) If capping fill material is used as part or all of the cover over the tubing, the installed depth of the tubing can range from one inch to five inches (1” – 5”) in the natural soil.

(2) Drip tubing shall not be placed in the capping fill material.

(3) In no case shall the cover over the tubing be less than six inches (6”).

(h)(1) Settled depth of the cap shall not be more than eight inches (8”).

(2) The capping fill material shall not contain more than:

(A) Twenty-seven percent (27%) clay;

(B) Sixty percent (60%) sand; or

(C) Seventy percent (70%) silt.

(3) Before the capping fill material is delivered to the proposed dispersal site, a textural analysis shall be provided.

(4) A credit of up to fifty percent (50%) of the settled cap depth may be allowed in the adjustment of the seasonal water table.

(5) The seasonal water table credit is at the sole discretion of the Department of Health.

14 CAR § 20-105 Pretreatment requirements {#sec-14-car-20-105 omnilex-key=us-ar-regs-official--title-14-part-20--14 CAR § 20-105}

14 CAR § 20-105. Pretreatment requirements.

(a)(1) The quality of effluent that will be applied to the dispersal field shall meet the American National Standards Institute/National Sanitation Foundation (ANSI/NSF) Standard 40, revised 2005, requirements for Class 1 treatment systems.

(2) Only pretreatment units that have obtained approval from the Department of Health shall be used.

(b) Pretreatment system shall be required as part of any drip dispersal system design.

(c) The daily flow rate capacity of a pretreatment system shall equal or exceed the daily flow rates found in Appendix B of the Rules Pertaining to Onsite Wastewater Systems, 14 CAR pt. 21.

(d) Pretreatment systems installed in conjunction with an individual residential structure shall have a daily flow rate capacity of not less than four hundred (400) gallons per day.

(e) Pretreatment systems installation on nonresidential or multistructures shall be sized according to:

(1) Influent wastewater strength; and

(2) Total daily flow rate expressed in gallons per day.

14 CAR § 20-106 Filters and screens {#sec-14-car-20-106 omnilex-key=us-ar-regs-official--title-14-part-20--14 CAR § 20-106}

14 CAR § 20-106. Filters and screens.

(a) There are three (3) types of filters or screens used for wastewater applications:

(1) Spin or screen filter;

(2) Disk; and

(3) Sand.

(b) Solids and other debris shall be filtered to a size of one hundred (100) microns or less.

(c)(1) Filter debris shall be returned to the septic tank, pretreatment unit, or a separate settling tank regardless of the type of filter system.

(2) The clear Schedule 40 PVC piping allows for a direct observation of the wastewater as it flows from the:

(A) Filter flush line; or

(B) Field flush line.

History

• Codification Notes: "PVC" means polyvinyl chloride. Authority: Arkansas Code § 14-236-107

14 CAR § 20-107 Control panel {#sec-14-car-20-107 omnilex-key=us-ar-regs-official--title-14-part-20--14 CAR § 20-107}

14 CAR § 20-107. Control panel.

(a) Timed dosing is the only method for controlling the dose cycles and volumes.

(b)(1) Control panels shall be constructed of the following basic components:

(A) NEMA 4X-rated enclosure;

(B) Motor-start contractors;

(C) Separate circuit breakers for pump and panel control;

(D) Audio and visual alarms; and

(E) Wiring terminals.

(2) Optional components range from:

(A) Elapsed time meter or counters;

(B) Event counters; and

(C) Pump run lights.

14 CAR § 20-108 Flow meters and pressure gauges {#sec-14-car-20-108 omnilex-key=us-ar-regs-official--title-14-part-20--14 CAR § 20-108}

14 CAR § 20-108. Flow meters and pressure gauges.

(a)(1) A flow meter shall be installed after the filter system but before the drip dispersal field.

(2) The flow meter shall incorporate not only a rate-of-flow gauge but also a “total gallons pumped” register.

(3) The flow-rate gauge and “total gallons pumped” register may be separate devices.

(4) The flow meter shall be installed in a protective box that will be of sufficient size:

(A) For servicing the meter; and

(B) To allow easy access for reading the meter.

(5) The flow meter shall be sized for the dispersal flow as well as the additional field flushing volume.

(b)(1) Pressure gauges shall be located:

(A) Before the filter;

(B) After the filter; and

(C) On the dispersal field return line.

(2) Pressure gauges shall be enclosed in the headworks box that allows easy access for observation.

(3) The gauges shall be:

(A) Liquid-filled; and

(B) A minimum of three inches (3”) in diameter.

(4) The pressure range of the gauge shall be sufficient for the maximum pressure that will be expected in the system.

14 CAR § 20-109 Supply line and manifold {#sec-14-car-20-109 omnilex-key=us-ar-regs-official--title-14-part-20--14 CAR § 20-109}

14 CAR § 20-109. Supply line and manifold.

(a) The supply line and manifold should be designed with a flow velocity between:

(1) Five-tenths feet (0.5’) per second; and

(2) Five feet (5’) per second.

(b)(1) The piping and fittings in the supply line and the manifold shall be Schedule 40.

(2) Schedule 80 fittings shall be used at the filter system as well as any point where the piping will be disconnected or subjected to abuse.

(c) When dosing, the supply manifold shall eliminate the drainback potential from a higher to a lower elevation in the drainfield.

14 CAR § 20-110 Return manifold and line {#sec-14-car-20-110 omnilex-key=us-ar-regs-official--title-14-part-20--14 CAR § 20-110}

14 CAR § 20-110. Return manifold and line.

(a) The return manifold and line allow the flushing of the drip dispersal field.

(b) The flushed wastewater and solids shall be returned back to the settling tank or treatment tank.

14 CAR § 20-111 Flexible hose and tubing {#sec-14-car-20-111 omnilex-key=us-ar-regs-official--title-14-part-20--14 CAR § 20-111}

14 CAR § 20-111. Flexible hose and tubing.

Flexible Schedule 40 PVC piping shall be used at all connections to the supply and return manifolds.

History

• Codification Notes: "PVC" means polyvinyl chloride. Authority: Arkansas Code § 14-236-107

14 CAR § 20-112 Air/vacuum relief valves {#sec-14-car-20-112 omnilex-key=us-ar-regs-official--title-14-part-20--14 CAR § 20-112}

14 CAR § 20-112. Air/vacuum relief valves.

(a)(1) Air/vacuum relief valves provide a means for releasing air at the start of a dose cycle so the system will:

(A) Charge quickly with wastewater; and

(B) Allow air to enter the system quickly at the end of the dose cycle.

(2) Air/vacuum valves shall be located at the highest points of either:

(A) Supply or return manifolds; or

(B) Both.

(b)(1) Air/vacuum relief valves shall be sized based on the proposed design flow rate.

(2) A valve that is undersized will not provide an adequate amount of airflow.

(c) A Schrader valve shall be provided at each vacuum valve as a means of checking the pressure of the drip field.

14 CAR § 20-113 Flushing valves {#sec-14-car-20-113 omnilex-key=us-ar-regs-official--title-14-part-20--14 CAR § 20-113}

14 CAR § 20-113. Flushing valves.

(a) Automatic flushing controls shall be required for all drip systems.

(b) The flush valve shall be a solenoid or a pressure/flow-compensating valve.

(c) Manual flushing valves may be installed in the field flush line.

(d) Manually operated valves may be standard ball or gate valves.

(e) The flush valve shall be fully opened during a flush cycle regardless of the valve type.

(f) The field flushing velocity shall be in accordance with the drip tubing or system manufacturer's recommendations.

(g) The minimum field flushing velocity shall not be less than five-tenths feet (0.5’) per second.

14 CAR § 20-114 Pipe and specialty connectors and fittings standard {#sec-14-car-20-114 omnilex-key=us-ar-regs-official--title-14-part-20--14 CAR § 20-114}

14 CAR § 20-114. Pipe and specialty connectors and fittings standard.

(a) PVC pipe, tubing, reducer tees, adapters, elbows, couplers, and compression fittings shall be constructed of Schedule 40 PVC.

(b) Lock-Slip fittings, adapters, tees, elbows, and couplings shall be specifically manufactured for use with wastewater drip dispersal systems.

(c) Insert fittings, barbed adapters, tees, elbows, and couplings shall be specifically manufactured and sized for use with wastewater drip dispersal systems.

History

• Codification Notes: "PVC" means polyvinyl chloride. Authority: Arkansas Code § 14-236-107

14 CAR § 20-115 Headworks boxes {#sec-14-car-20-115 omnilex-key=us-ar-regs-official--title-14-part-20--14 CAR § 20-115}

14 CAR § 20-115. Headworks boxes.

(a) Any component or assembly that may need to be routinely serviced shall be located in a headworks box that is readily accessible.

(b) Headworks boxes may be constructed of:

(1) High-density PE (polyethylene) fiberglass;

(2) PVC; or

(3) Concrete.

(c)(1) Headworks boxes shall be large enough to allow:

(A) Ease of service; and

(B) Periodic removal and replacement of components as needed.

(2) The headworks box shall be of sufficient length and depth to accommodate the various components that will be housed in the box.

(3) The lid of the headworks box shall extend above the finished grade.

(4) The bottom of the headworks box shall be designed to drain any rainwater or wastewater away from the inside of the box.

(5) The headworks box lid shall be easy to remove but also shall be made tamperproof where access to the site is not restricted or controlled.

(6) The structural strength of the headworks box and lid shall be sufficient to withstand the weight of any lawn maintenance equipment or other service equipment that may roll over the box.

(7) If the box will be subject to excessive wheel loading, additional protection shall be provided.

History

• Codification Notes: "PVC" means polyvinyl chloride. Authority: Arkansas Code § 14-236-107

14 CAR § 20-116 Zones and related components {#sec-14-car-20-116 omnilex-key=us-ar-regs-official--title-14-part-20--14 CAR § 20-116}

14 CAR § 20-116. Zones and related components.

(a) Automatic distributing valves shall include clear Schedule 40 piping on the output of each zone.

(b) Check valves shall not be required if separate return lines are used to isolate returned wastewater to the pretreatment system.

14 CAR § 20-117 Pressure regulators {#sec-14-car-20-117 omnilex-key=us-ar-regs-official--title-14-part-20--14 CAR § 20-117}

14 CAR § 20-117. Pressure regulators.

(a) Regulators shall be selected to allow sufficient pressure and flows for flushing.

(b) Pressure regulators shall be designed for use in wastewater drip dispersal systems.

14 CAR § 20-118 System installation {#sec-14-car-20-118 omnilex-key=us-ar-regs-official--title-14-part-20--14 CAR § 20-118}

14 CAR § 20-118. System installation.

(a)(1) Protect the site prior to and after the installation of the drip system.

(2) Activities on the site shall be limited only to what is necessary for the installation of the system.

(b)(1) Any clearing or grubbing shall be performed based on a site-specific plan that:

(A) Minimizes the disturbance of the soil; and

(B) Protects the overall soil characteristics.

(2)(A) It may be necessary to use flexible PVC tubing to work around or over objects in the dispersal field.

(B) However, the number of emitters shall not be reduced.

(c) Drip tubing shall not be installed when the soil is wet or frozen.

(d) Drip tubing shall be installed on contour.

(e) Flexible Schedule 40 PVC tubing shall be used at each manifold connection to:

(1) Provide additional crimping protection; and

(2) Prevent the tubing from being pulled out of the supply or return manifold as the soil settles.

(f)(1) Drip tubing shall be taped, plugged, or capped when cut.

(2) All piping shall be taped or capped at the end of the construction day.

(g) PVC pipe cutters that cleanly shear the pipe or tubing shall be used rather than sawing the pipe or tubing.

(h)(1) Complete flushing of the supply line prior to the connection of the drip tubing shall be performed.

(2) Sufficient volume of water shall be used to ensure all debris is removed from both the supply line and the drip tubing.

(i)(1) A start-up system check shall be performed before the system is placed in operation.

(2) All operational functions that would be expected during routine operations shall be performed in a specified time period of not less than twenty-four (24) hours.

(3) This operational test shall include but not be limited to:

(A) Timed dose functions;

(B) Volume loading;

(C) Flow rates;

(D) Pressures at the inlet and outlet of each zone;

(E) Pressures at the inlet and outlet of filters;

(F) Leak detection;

(G) Flushing; and

(H) Alarms.

(j) Repairs or modifications shall be made to eliminate any wet spot.

(k)(1) The establishment of a vegetative cover is critical to the overall performance of a drip dispersal system.

(2) The dispersal area shall be covered with sod or mulch as soon as possible after the installation of the drip tubing.

History

• Codification Notes: "PVC" means polyvinyl chloride. Authority: Arkansas Code § 14-236-107

14 CAR § 20-119 System operation and maintenance {#sec-14-car-20-119 omnilex-key=us-ar-regs-official--title-14-part-20--14 CAR § 20-119}

14 CAR § 20-119. System operation and maintenance.

(a)(1) Periodic servicing shall be required.

(2) The frequency of the service period is dependent on the operational parameters set for the system by its designer.

(3) The minimal service period shall not be less than once every three (3) months.

(b) Alarms resulting from mechanical breakdowns shall be investigated and the situation causing the alarm resolved.

(c) Owners of drip dispersal systems are required to maintain a maintenance and monitoring contract with maintenance personnel certified by the Department of Health for the life of the system.

14 CAR § 20-120 System design {#sec-14-car-20-120 omnilex-key=us-ar-regs-official--title-14-part-20--14 CAR § 20-120}

14 CAR § 20-120. System design.

(a) The following procedure shall be used to determine the minimum surface area required for a drip dispersal system.

(b) The depth and duration of the seasonal water table shall be determined.

(c) The sizing and loading rate charts found in Table 1, Table 2, and Table 3 of this manual shall be used to determine the amount of surface area required for installation.

(d)(1) The spacing between drip tube laterals shall not be less than two feet (2’) center to center.

(2) Drip tube laterals spacing may be greater than two feet (2’); however, for the purpose of determining the length of tubing required for a dispersal field, all length calculation shall be two feet (2’) center to center.

(e) The effective area of the dispersal field shall be calculated by dividing the daily wastewater flow rate (DWF) in gallons per day (gpd) by the soil loading rate (SLR) in gallons per foot square per day (g/ft ft² / d).

Example. Area of the dispersal field (DF) = design wastewater flow (DWF) ÷ soil loading rate (SLR).

(f) The length of the drip tubing shall be determined by dividing the dispersal field (DF) required by the drip tube spacing (DT) of two feet (2’).

Example. Drip tube length (DTL = dispersal field area (DF) ÷ drip tube spacing (DT) of two (2) ft.

(g) The number of emitters required shall be determined by dividing the drip tube length (DTL) by the emitter spacing (E) feet.

Example. Dripline lateral length (ft.) ÷ emitter spacing (ft.) = Number of emitters.

(h) The loading rate for a soil that has a rock substrata, consolidated or fractured, and no seasonal water tables present above the rock substrata shall be sized as a moderate seasonal water table.

14 CAR § 20-121 Training and certification {#sec-14-car-20-121 omnilex-key=us-ar-regs-official--title-14-part-20--14 CAR § 20-121}

14 CAR § 20-121. Training and certification.

(a) All designated representatives, installers, environmental health specialists, and certified maintenance personnel shall be certified in the design, construction, and maintenance of a drip dispersal system.

(b) The certification program will be provided or approved by the Department of Health’s Onsite Wastewater Section.

14 CAR § 20-122 Variances and exemptions {#sec-14-car-20-122 omnilex-key=us-ar-regs-official--title-14-part-20--14 CAR § 20-122}

14 CAR § 20-122. Variances and exemptions.

(a) Requested variations from this part will be considered and may be approved at the sole discretion of the Department of Health.

(b)(1) Submission of proposed experimental onsite wastewater systems may be approved, disapproved, or approved on a trial basis for a specific period of time.

(2) Such approval or disapproval shall be at the sole discretion of the department.

(3) Submission of an experimental design shall include data as to the efficiency of operation of the proposed experimental system.

(4) A monitoring plan shall be submitted for approval in addition to the system design.

(c)(1) Good management practices are additions or modifications to systems that:

(A) Will make such systems more efficient; or

(B) Could make such systems acceptable in certain soil conditions.

(2) Where good management practices are proposed for inclusion in a drip dispersal system, approval shall be at the sole discretion of the department or its authorized agent.

14 CAR § 20-123 Fees {#sec-14-car-20-123 omnilex-key=us-ar-regs-official--title-14-part-20--14 CAR § 20-123}

14 CAR § 20-123. Fees.

(a) A fee shall be levied for the review of individual drip dispersal system permit applications pursuant to Arkansas Code § 14-236-116.

(b) For structures one thousand five hundred square feet (1,500 sq. ft.) or less the fee to review a permit application is thirty dollars ($30.00).

(c) For structures more than one thousand five hundred square feet (1,500 sq. ft.) and less than two thousand square feet (2,000 sq. ft.) the fee to review a permit application is forty-five dollars ($45.00).

(d) For structures more than two thousand square feet (2,000 sq. ft.) and less than three thousand square feet (3,000 sq. ft.) the fee to review a permit application is ninety dollars ($90.00).

(e) For structures more than three thousand square feet (3,000 sq. ft.) and less than four thousand square feet (4,000 sq. ft.) the fee to review a permit application is one hundred twenty dollars ($120).

(f) For structures four thousand square feet (4,000 sq. ft.) and greater the fee to review a permit application is one hundred fifty dollars ($150).

(g) For the alteration, repair, or extension of any individual drip dispersal system, the fee to review a permit application is thirty dollars ($30.00).

(h)(1) In calculating the square footage of a residential structure for purposes of determining the applicable fee under this section, the square footage of all auxiliary areas of the residential structure shall not be considered.

(2) Auxiliary areas include garages, carports, porches, and other similar areas as determined by the Department of Health.

(i) Nonindividual or multistructure permit submittals shall include a Department of Health Project Cost Estimate Worksheet (EHP-17).

14 CAR § 20-124 Penalties {#sec-14-car-20-124 omnilex-key=us-ar-regs-official--title-14-part-20--14 CAR § 20-124}

14 CAR § 20-124. Penalties.

Any person, firm, corporation, or association who violates any of the provisions of Acts 1977, No. 402, as amended, or any rules promulgated under the authority of Acts 1977, No. 402, as amended, shall upon conviction:

(1) Be deemed guilty of a misdemeanor; and

(2) Be punished by a fine of not less than one hundred dollars ($100) nor more than one thousand dollars ($1,000).

14 CAR pt. 20, Appendix A Drip Dispersal Field Sizing and Loading Rate Chart for Moderate Hydraulic Conductivity Soils {#sec-14-car-pt.-20-appendix-a omnilex-key=us-ar-regs-official--title-14-part-20--14 CAR pt. 20, Appendix A}

TABLE 1 DRIP DISPERSAL FIELD SIZING AND LOADING RATE CHART FOR MODERATE HYDRAULIC CONDUCTIVITY SOILS

Brief SWT Mod SWT Long SWT DEPTH TO RMF (inches) (g/ft²/d) FT²/100 Gal./Day (g/ft²/d) FT²/100 Gal./Day (g/ft²/d) FT²/100 Gal./Day 1 0.021 4761.9 0.007 14285.71 0.003 33333.33 2 0.041 2439.02 0.014 7142.86 0.007 14285.71 3 0.062 1612.9 0.021 4761.9 0.010 10000 4 0.082 1219.51 0.027 3703.7 0.014 7142.86 5 0.103 970.87 0.034 2941.18 0.017 5882.35 6 0.123 813.01 0.041 2439.02 0.021 4761.9 7 0.144 694.44 0.048 2083.33 0.024 4166.67 8 0.164 609.76 0.055 1818.18 0.027 3703.7 9 0.185 540.54 0.062 1612.9 0.031 3225.81 10 0.205 487.8 0.068 1470.59 0.034 2941.18 11 0.226 442.48 0.075 1333.33 0.038 2631.58 12 0.246 406.5 0.082 1219.51 0.041 2439.02 13 0.267 374.53 0.089 1123.6 0.044 2272.73 14 0.287 348.43 0.096 1041.67 0.048 2083.33 15 0.308 324.68 0.103 970.87 0.051 1960.78 16 0.328 304.88 0.109 917.43 0.055 1818.18 17 0.349 286.53 0.116 862.07 0.058 1724.14 18 0.369 271 0.123 813.01 0.062 1612.9 19 0.390 256.41 0.130 769.23 0.065 1538.46 20 0.410 243.9 0.137 729.93 0.068 1470.59 21 0.431 232.02 0.144 694.44 0.072 1388.89 22 0.451 221.73 0.150 666.67 0.075 1333.33 23 0.472 211.86 0.157 636.94 0.079 1265.82 24 0.492 203.25 0.164 609.76 0.082 1219.51 25 0.513 194.93 0.171 584.8 0.085 1176.47 26 0.533 187.62 0.178 561.8 0.089 1123.6 27 0.554 180.51 0.185 540.54 0.092 1086.96 28 0.574 174.22 0.191 523.56 0.096 1041.67 29 0.595 168.07 0.198 505.05 0.099 1010.1 30 0.615 162.6 0.205 487.8 0.103 970.87 31 0.636 157.23 0.212 471.7 0.106 943.4 32 0.656 152.44 0.219 456.62 0.109 917.43 33 0.677 147.71 0.226 442.48 0.113 884.96 34 0.697 143.47 0.232 431.03 0.116 862.07 35 0.718 139.28 0.239 418.41 0.120 833.33 36 0.738 135.50 0.246 406.5 0.123 813.01 37 0.750 133.33 0.253 395.26 0.126 793.65 38 0.750 133.33 0.260 384.62 0.130 769.23 39 0.750 133.33 0.267 374.53 0.133 751.88 40 0.750 133.33 0.273 366.3 0.137 729.93 41 0.750 133.33 0.280 357.14 0.140 714.29 42 0.750 133.33 0.287 348.43 0.144 694.44 43 0.750 133.33 0.294 340.14 0.147 680.27 44 0.750 133.33 0.301 332.23 0.150 666.67 45 0.750 133.33 0.308 324.68 0.154 649.35 46 0.750 133.33 0.314 318.47 0.157 636.94 47 0.750 133.33 0.321 311.53 0.161 621.12 48 0.750 133.33 0.328 304.88 0.164 609.76

14 CAR pt. 20, Appendix B Drip Dispersal Field Sizing and Loading Rate Chart for Low Hydraulic Conductivity Soils {#sec-14-car-pt.-20-appendix-b omnilex-key=us-ar-regs-official--title-14-part-20--14 CAR pt. 20, Appendix B}

TABLE 2 DRIP DISPERSAL FIELD SIZING AND LOADING RATE CHART FOR LOW HYDRAULIC CONDUCTIVITY SOILS

Brief SWT Mod SWT Long SWT DEPTH TO RMF (inches)

(g/ft²/d) FT²/100 Gal./Day (g/ft²/d) FT²/100 Gal./Day (g/ft²/d) FT²/100 Gal./Day 1 0.014 7142.86 0.005 20000 0.002 50000 2 0.028 3571.43 0.009 11111.11 0.005 20000 3 0.042 2380.95 0.014 7142.86 0.007 14285.71 4 0.055 1818.18 0.018 5555.56 0.009 11111.11 5 0.069 1449.28 0.023 4347.83 0.012 8333.33 6 0.083 1204.82 0.028 3571.43 0.014 7142.86 7 0.097 1030.93 0.032 3125 0.016 6250 8 0.111 900.9 0.037 2702.7 0.018 5555.56 9 0.125 800 0.042 2380.95 0.021 4761.9 10 0.139 719.42 0.046 2173.91 0.023 4347.83 11 0.152 657.89 0.051 1960.78 0.025 4000 12 0.166 602.41 0.055 1818.18 0.028 3571.43 13 0.180 555.56 0.060 1666.67 0.030 3333.33 14 0.194 515.46 0.065 1538.46 0.032 3125 15 0.208 480.77 0.069 1449.28 0.035 2857.14 16 0.222 450.45 0.074 1351.35 0.037 2702.7 17 0.235 425.53 0.078 1282.05 0.039 2564.1 18 0.249 401.61 0.083 1204.82 0.042 2380.95 19 0.263 380.23 0.088 1136.36 0.044 2272.73 20 0.277 361.01 0.092 1086.96 0.046 2173.91 21 0.291 343.64 0.097 1030.93 0.048 2083.33 22 0.300 333.33 0.102 980.39 0.051 1960.78 23 0.300 333.33 0.106 943.4 0.053 1886.79 24 0.300 333.33 0.111 900.9 0.055 1818.18 25 0.300 333.33 0.115 869.57 0.058 1724.14 26 0.300 333.33 0.120 833.33 0.060 1666.67 27 0.300 333.33 0.125 800 0.062 1612.9 28 0.300 333.33 0.129 775.19 0.065 1538.46 29 0.300 333.33 0.134 746.27 0.067 1492.54 30 0.300 333.33 0.139 719.42 0.069 1449.28 31 0.300 333.33 0.143 699.3 0.072 1388.89 32 0.300 333.33 0.148 675.68 0.074 1351.35 33 0.300 333.33 0.152 657.89 0.076 1315.79 34 0.300 333.33 0.157 636.94 0.078 1282.05 35 0.300 333.33 0.162 617.28 0.081 1234.57 36 0.300 333.33 0.166 602.41 0.083 1204.82 37 0.300 333.33 0.171 584.8 0.085 1176.47 38 0.300 333.33 0.175 571.43 0.088 1136.36 39 0.300 333.33 0.180 555.56 0.090 1111.11 40 0.300 333.33 0.185 540.54 0.092 1086.96 41 0.300 333.33 0.189 529.1 0.095 1052.63 42 0.300 333.33 0.194 515.46 0.097 1030.93 43 0.300 333.33 0.199 502.51 0.099 1010.1 44 0.300 333.33 0.203 492.61 0.102 980.39 45 0.300 333.33 0.208 480.77 0.104 961.54 46 0.300 333.33 0.212 471.7 0.106 943.4 47 0.300 333.33 0.217 460.83 0.109 917.43 48 0.300 333.33 0.222 450.45 0.111 900.9

14 CAR pt. 20, Appendix C Drip Dispersal Field Sizing and Loading Rate Chart for High Hydraulic Conductivity Soils {#sec-14-car-pt.-20-appendix-c omnilex-key=us-ar-regs-official--title-14-part-20--14 CAR pt. 20, Appendix C}

TABLE 3 DRIP DISPERSAL FIELD SIZING AND LOADING RATE CHART FOR HIGH HYDRAULIC CONDUCTIVITY SOILS

Brief SWT Mod SWT Long SWT DEPTH TO RMF (inches)

(g/ft²/d) FT²/100 Gal./Day (g/ft²/d) FT²/100 Gal./Day (g/ft²/d) FT²/100 Gal./Day 1 0.249 402 0.042 2381 0.021 4762 2 0.374 267 0.083 1205 0.042 2381 3 0.499 200 0.125 800 0.062 1613 4 0.623 161 0.166 602 0.083 1205 5 0.748 134 0.208 481 0.104 962 6 0.873 115 0.249 402 0.125 800 7 0.997 100 0.291 344 0.145 690 8 1.122 89 0.332 301 0.166 602 9 1.247 80 0.374 267 0.187 535 10 1.250 80 0.416 240 0.208 481 11 1.250 80 0.457 219 0.229 437 12 1.250 80 0.499 200 0.249 402 13 1.250 80 0.540 185 0.270 370 14 1.250 80 0.582 172 0.291 344 15 1.250 80 0.623 161 0.312 321 16 1.250 80 0.665 150 0.332 301 17 1.250 80 0.706 142 0.353 283 18 1.250 80 0.748 134 0.374 267 19 1.250 80 0.790 127 0.395 253 20 1.250 80 0.831 120 0.416 240 21 1.250 80 0.873 115 0.436 229 22 1.250 80 0.914 109 0.457 219 23 1.250 80 0.956 105 0.478 209 24 1.250 80 0.997 100 0.499 200 25 1.250 80 1.039 96 0.519 193 26 1.250 80 1.081 93 0.540 185 27 1.250 80 1.122 89 0.561 178 28 1.250 80 1.164 86 0.582 172 29 1.250 80 1.205 83 0.603 166 30 1.250 80 1.247 80 0.623 161 31 1.250 80 1.250 80 0.644 155 32 1.250 80 1.250 80 0.665 150 33 1.250 80 1.250 80 0.686 146 34 1.250 80 1.250 80 0.706 142 35 1.250 80 1.250 80 0.727 138 36 1.250 80 1.250 80 0.748 134 37 1.250 80 1.250 80 0.769 130 38 1.250 80 1.250 80 0.790 127 39 1.250 80 1.250 80 0.810 123 40 1.250 80 1.250 80 0.831 120 41 1.250 80 1.250 80 0.852 117 42 1.250 80 1.250 80 0.873 115 43 1.250 80 1.250 80 0.894 112 44 1.250 80 1.250 80 0.914 109

45 1.250 80 1.250 80 0.935 107 46 1.250 80 1.250 80 0.956 105 47 1.250 80 1.250 80 0.977 102 48 1.250 80 1.250 80 0.997 100